title: Comparison of Brucella abortus (strain 544) variants.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000096:biosynthesis; D001835:Body Weight; D002004:Brucella Vaccine / Q000592:standards*; D002003:Brucella abortus / Q000276:immunology*; D005260:Female; D006168:Guinea Pigs; D009929:Organ Size; D013045:Species Specificity; D013154:Spleen / Q000033:anatomy & histology
chemical_list: D000907:Antibodies, Bacterial; D002004:Brucella Vaccine